public void Should_Set_Simple_Property_Value() { var data = new Class1 { StringValue = "foo" }; var target = new BindingExpression(new ExpressionObserver(data, "StringValue"), typeof(string)); target.OnNext("bar"); Assert.Equal("bar", data.StringValue); }
public void Should_Convert_Set_String_To_Double() { Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; var data = new Class1 { StringValue = (5.6).ToString() }; var target = new BindingExpression(new ExpressionObserver(data, "StringValue"), typeof(double)); target.OnNext(6.7); Assert.Equal((6.7).ToString(), data.StringValue); }
public void Should_Convert_Set_Double_To_String() { Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; var data = new Class1 { DoubleValue = 5.6 }; var target = new BindingExpression(new ExpressionObserver(data, "DoubleValue"), typeof(string)); target.OnNext("6.7"); Assert.Equal(6.7, data.DoubleValue); }
public void Should_Handle_DataValidation() { var data = new Class1 { DoubleValue = 5.6 }; var converter = new Mock<IValueConverter>(); var target = new BindingExpression(new ExpressionObserver(data, "DoubleValue", true), typeof(string)); var result = new List<object>(); target.Subscribe(x => result.Add(x)); target.OnNext(1.2); target.OnNext("3.4"); target.OnNext("bar"); Assert.Equal( new[] { new BindingNotification("5.6"), new BindingNotification("1.2"), new BindingNotification("3.4"), new BindingNotification( new InvalidCastException("'bar' is not a valid number."), BindingErrorType.Error) }, result); }
public void Should_Pass_ConverterParameter_To_ConvertBack() { var data = new Class1 { DoubleValue = 5.6 }; var converter = new Mock<IValueConverter>(); var target = new BindingExpression( new ExpressionObserver(data, "DoubleValue"), typeof(string), converter.Object, converterParameter: "foo"); target.OnNext("bar"); converter.Verify(x => x.ConvertBack("bar", typeof(double), "foo", CultureInfo.CurrentUICulture)); }
public void Should_Coerce_Setting_UnsetValue_Double_To_Default_Value() { var data = new Class1 { DoubleValue = 5.6 }; var target = new BindingExpression(new ExpressionObserver(data, "DoubleValue"), typeof(string)); target.OnNext(AvaloniaProperty.UnsetValue); Assert.Equal(0, data.DoubleValue); }
public void Setting_Invalid_Double_String_Should_Use_FallbackValue() { var data = new Class1 { DoubleValue = 5.6 }; var target = new BindingExpression( new ExpressionObserver(data, "DoubleValue"), typeof(string), "9.8", DefaultValueConverter.Instance); target.OnNext("foo"); Assert.Equal(9.8, data.DoubleValue); }
public void Setting_Invalid_Double_String_Should_Not_Change_Target() { var data = new Class1 { DoubleValue = 5.6 }; var target = new BindingExpression(new ExpressionObserver(data, "DoubleValue"), typeof(string)); target.OnNext("foo"); Assert.Equal(5.6, data.DoubleValue); }